Whether you're addicted to the show or just in it to see if your Reddit theory on what Cersei could possibly be planning is on the money, you're going to want to check out these low-key brilliant Game Of Thrones theories. If you're all about engaging with the program, you've probably already skimmed through the most obvious theories out there, from the Dany is Azor Ahai to Jaime might kill Cersei to Tyrion potentially being the illegitimate son of Aerys Targaryen. Let's delve a little deeper and really get to grips with the nuts and bolts of what could be influencing the Seven Kingdoms.
The theories here mostly focus on lesser-discussed characters like Euron Greyjoy and Old Nan, and that's no coincidence. Given their limited screen time, they don't get as much focus from most theorists. However, given George R.R. Martin's love for sudden plot twists and the unexpected, presumably it could be one of these very characters who end up changing everything in Season 8.
Aside from the first listed below, to start with the obvious, these may not be the theories that are on everyone's lips. But, once you read them, these are theories that will keep you up at night, burrowing down an internet rabbit hole to see if there's any supporting evidence that people haven't noticed.